Envelope constructor
Envelope({})
Implementation
Envelope(
{required super.cepOrigem,
required super.cepDestino,
required super.servico,
required super.contrato,
required super.unidades,
required super.peso,
super.numeroRequisicao,
super.dataEvento,
super.valor,
required this.altura,
required this.largura})
: super(tipoObjeto: TipoObjeto.cilindro);